19813926

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{3617}}^1$

素因数の和:3716

約数の個数: 32

約数和(自身を含む): 43763328

約数和(自身を除く): 23949402

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 83, 166, 249, 498, 913, 1826, 2739, 3617, 5478, 7234, 10851, 21702, 39787, 79574, 119361, 238722, 300211, 600422, 900633, 1801266, 3302321, 6604642, 9906963, 19813926]

約数ペア:

[(1, 19813926), (2, 9906963), (3, 6604642), (6, 3302321), (11, 1801266), (22, 900633), (33, 600422), (66, 300211), (83, 238722), (166, 119361), (249, 79574), (498, 39787), (913, 21702), (1826, 10851), (2739, 7234), (3617, 5478)]